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Open on Codeforces · 884 unique accepted
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Quality: 4,146 global accepts · Tags: data structures, divide and conquer, dp, trees · first AC: Feb 2, 2024 · C++20 (GCC 11-64) (first AC)
Quality: 3,698 global accepts · Tags: combinatorics, dp, games, math · first AC: Oct 14, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 946 global accepts · Tags: brute force · first AC: Aug 8, 2023 · last AC: Aug 8, 2023 · C++14 (GCC 6-32) (first AC)
Quality: 975 global accepts · Tags: binary search, divide and conquer, hashing, implementation, probabilities, trees · first AC: Apr 15, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 631 global accepts · Tags: bitmasks, brute force, communication, constructive algorithms, graphs, interactive, trees · first AC: Apr 12, 2026 · C++20 (GCC 13-64) (first AC)
Quality: 1,824 global accepts · Tags: combinatorics, math, trees · first AC: Dec 27, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,303 global accepts · Tags: bitmasks, data structures, dp, implementation, math · first AC: Dec 23, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,209 global accepts · Tags: brute force, interactive, math · first AC: Dec 23, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 1,537 global accepts · Tags: constructive algorithms, greedy, interactive, probabilities, sortings · first AC: Dec 5, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,811 global accepts · Tags: constructive algorithms, math, probabilities, trees · first AC: Oct 17, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,833 global accepts · Tags: games, greedy, math · first AC: Oct 5, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 5,470 global accepts · Tags: dp, sortings · first AC: Sep 24, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 453 global accepts · Tags: constructive algorithms, graph matchings, greedy, math · first AC: Aug 14, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 2,207 global accepts · Tags: brute force, data structures · first AC: Aug 6, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 8,100 global accepts · Tags: combinatorics, dp, math, number theory · first AC: Jan 26, 2025 · C++20 (GCC 13-64) (first AC)
Quality: 4,540 global accepts · Tags: data structures, dfs and similar, divide and conquer, dp, greedy, implementation, trees · first AC: Nov 19, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,001 global accepts · Tags: data structures, dfs and similar, dp, greedy, trees · first AC: Nov 19, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 4,668 global accepts · Tags: dfs and similar, divide and conquer, dp, dsu, trees · first AC: Nov 18, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 3,996 global accepts · Tags: combinatorics, dp, math · first AC: Nov 18, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 3,466 global accepts · Tags: bitmasks, dp · first AC: Oct 20, 2024 · last AC: Oct 20, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 1,013 global accepts · Tags: greedy, implementation · first AC: Oct 18, 2024 · last AC: Oct 18, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 6,391 global accepts · Tags: bitmasks, dp, graphs · first AC: Oct 10, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 3,424 global accepts · Tags: dp, math, probabilities · first AC: Oct 8, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 2,746 global accepts · Tags: dp, trees · first AC: Sep 30, 2024 · last AC: Sep 30, 2024 · C++20 (GCC 13-64) (first AC)
Quality: 6,497 global accepts · Tags: binary search, data structures, divide and conquer, dp, two pointers · first AC: Aug 12, 2024 · C++17 (GCC 7-32) (first AC)